/*******************************************************************************
* KindEditor - WYSIWYG HTML Editor for Internet
* Copyright (C) 2006-2011 kindsoft.net
*
* @author Roddy <luolonghao@gmail.com>
* @site http://www.kindsoft.net/
* @licence http://www.kindsoft.net/license.php
*******************************************************************************/

KindEditor.plugin('quickformat', function (K) {
    var self = this, name = 'quickformat',
        blockMap = K.toMap('blockquote,center,div,h1,h2,h3,h4,h5,h6,p');
    function getFirstChild(knode) {
        var child = knode.first();
        while (child && child.first()) {
            child = child.first();
        }
        return child;
    }
    self.clickToolbar(name, function () {
        self.focus();
        var doc = self.edit.doc,
            range = self.cmd.range,
            child = K(doc.body).first(), next,
            nodeList = [], subList = [],
            bookmark = range.createBookmark(true);
        while (child) {
            next = child.next();
            var firstChild = getFirstChild(child);
            if (!firstChild || firstChild.name != 'img') {
                if (blockMap[child.name]) {
                    child.html(child.html().replace(/^(\s|&nbsp;|　)+/ig, ''));
                    child.css('text-indent', '2em');
                } else {
                    subList.push(child);
                }
                if (!next || (blockMap[next.name] || blockMap[child.name] && !blockMap[next.name])) {
                    if (subList.length > 0) {
                        nodeList.push(subList);
                    }
                    subList = [];
                }
            }
            child = next;
        }
        K.each(nodeList, function (i, subList) {
            var wrapper = K('<p style="text-indent:2em;"></p>', doc);
            subList[0].before(wrapper);
            K.each(subList, function (i, knode) {
                wrapper.append(knode);
            });
        });
        range.moveToBookmark(bookmark);
        self.addBookmark();
    });
});

/**
--------------------------
abcd<br />
1234<br />

to

<p style="text-indent:2em;">
	abcd<br />
	1234<br />
</p>

--------------------------

&nbsp; abcd<img>1233
<p>1234</p>

to

<p style="text-indent:2em;">abcd<img>1233</p>
<p style="text-indent:2em;">1234</p>

--------------------------
*/